package com.example.springcloudserviceribbondemo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.hystrix.EnableHystrix;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

/**
 * 通过@EnableDiscoveryClient向服务中心注册；
 */
@SpringBootApplication
@EnableEurekaClient
@EnableDiscoveryClient
@EnableHystrix
@EnableHystrixDashboard
public class SpringcloudServiceRibbonDemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(SpringcloudServiceRibbonDemoApplication.class, args);
    }

    /**
     * 向程序的ioc注入一个bean: restTemplate;
     * 并通过@LoadBalanced注解表明这个restRemplate开启负载均衡的功能。
     * @return
     */
    @Bean
    @LoadBalanced
    RestTemplate restTemplate(){
        return new RestTemplate();
    }

}
